The 1×16 1310/1550nm ABS Box Polarization Maintaining PLC Splitter (Slow Axis Working) is a precision optical component designed for high-performance polarization-maintaining fiber systems. It uses a Planar Lightwave Circuit (PLC) chip fabricated with advanced lithography technology to ensure excellent optical uniformity, low insertion loss, and high wavelength stability across the 1310nm and 1550nm operating wavelengths.